Join Amaris Consulting and work on payroll and human resources management platforms serving thousands of users worldwide. Be part of an international team, grow in an agile environment, and develop your career within a integral group that values innovation, collaboration, and talent. As a Senior Java Developer , you will play a key role in the design, development, deployment, and operation of highly scalable, secure, and resilient Saa S platforms . You will be a core member of multidisciplinary squads, combining your backend development expertise with Dev Ops practices to build and operate business-critical services across the entire software lifecycle. What we’re looking for 7+ years of experience as a Backend Engineer working with Java (Java 11 or higher) and Spring Boot . Strong proficiency in Core Java and OOP principles , as well as design patterns and SOLID principles . Experience with Spring Framework (Boot, MVC, Security) and Hibernate/JPA . Solid understanding of microservices architectures and distributed systems .



Experience in designing and implementing RESTful APIs and microservices-based services . Good understanding of memory management and performance optimization in Java applications. Experience with message queuing systems (Kafka, Rabbit MQ) and event-driven architectures . Experience with SQL and/or No SQL databases . Hands‑on experience with CI/CD tools (Azure Dev Ops, Git Lab CI, Jenkins, Git Hub Actions, etc.) and use of Git , Maven/Gradle . Experience working in cloud environments , ideally Azure (AWS/GCP also valued). Strong knowledge of software engineering best practices : clean code, design patterns, testing (JUnit, Mockito) , code review, documentation. Professional level of English , able to collaborate with international teams – your day‑to‑day work will be in English. What you will do Design, develop, and maintain microservices using Java and Spring Boot . Design and implement RESTful APIs , ensuring performance, security, and maintainab

📌 Senior java developer (Madrid)
🏢 Mantu Group
📍 Madrid